Differences over the risks to Britain’s economy surfaced this month among the Bank of England officials who have voted to keep interest rates on hold, complicating the outlook for monetary policy.

Global stocks slid and the euro hit a four-month low yesterday on worries about a potential exit by Greece from the eurozone, while the outlook for slower world growth worsened after China moved to prop up lending.

Stocks rose yesterday after Greece’s parliament passed sweeping austerity measures, but questions about whether the plan will be enough to convince European leaders to support Athens with a new rescue package curbed an initial euro rally.